# Foch vs Guide Alizé

The clearest difference is iOS requirement: Foch at 13.0 against Guide Alizé's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 4 months. Both last shipped on September 30, 2026.

## The numbers

| Metric | Foch | Guide Alizé |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | Every 4 months |
| Size | 18 MB | 31 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [ASSOCIATION HOPITAL FOCH](https://appshunter.io/developer/1328446445) | [SOC PNEUMOLOGIE LANGUE FRANCAISE](https://appshunter.io/developer/1494910317) |

## What reviewers say

### Foch

[App page](https://appshunter.io/ios/app/foch-guide-des-internes/id1157618633)

**Features:** Vision Pro support

**In-app purchases:** none


### Guide Alizé

[App page](https://appshunter.io/ios/app/guide-alize/id1608531402)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Foch free?

Foch is free to download, with no in-app purchases.

### Is Guide Alizé free?

Guide Alizé is free to download, with no in-app purchases.

### Do Foch or Guide Alizé have ads?

Neither Foch nor Guide Alizé shows ads.

### Which is updated more often, Foch or Guide Alizé?

Foch ships an update every 4 months, and Guide Alizé every 4 months. Most recently, Foch was updated on September 30, 2026 and Guide Alizé on September 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*